Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 224,000	$ 64,000
Accounts receivable	962,000	745,000
Inventories	15,000	45,000
Prepaid expenses	89,000	75,000
Total current assets	1,290,000	929,000
Property and Equipment:
Equipment	1,721,000	1,708,000
Furniture and fixtures	43,000	43,000
Leasehold improvements	55,000	48,000
	1,819,000	1,799,000
Accumulated depreciation and amortization	(1,695,000)	(1,491,000)
	124,000	308,000
Other assets	38,000	40,000
TOTAL ASSETS	1,452,000	1,277,000
Current Liabilities:
Accounts payable, trade	194,000	205,000
Accrued expenses	988,000	691,000
Dividends payable	447,000	303,000
Obligations under capital lease, current portion	44,000	139,000
Deferred revenue	406,000	395,000
Total current liabilities	2,079,000	1,733,000
Loan payable to officer	2,865,000	2,885,000
Obligations under capital lease, noncurrent portion	17,000	61,000
Commitments and contingencies
Stockholders’ Deficit:
Common stock	128,000	128,000
Common stock held in treasury, at cost—10 shares	(362,000)	(362,000)
Additional paid-in-capital	56,518,000	56,595,000
Accumulated deficit	(61,529,000)	(61,499,000)
Accumulated other comprehensive loss	(107,000)	(107,000)
Total stockholders’ deficit	(3,509,000)	(3,402,000)
TOTAL LIABILITIES AND STOCKHOLDERS’ DEFICIT	1,452,000	1,277,000
Series 1 Preferred Stock [Member]
Stockholders’ Deficit:
Preferred stock	707,000	707,000
Series 2 Preferred Stock [Member]
Stockholders’ Deficit:
Preferred stock	724,000	724,000
Series 3 Preferred Stock [Member]
Stockholders’ Deficit:
Preferred stock	$ 412,000	$ 412,000